asterisk users - Jun 2004 - Asterisk answering only one (dialed-) Number on a PTMP (German "Mehrgeräteanschluss")?

Hi,

please excuse my poor englisch.
Is it possible to connect a (privat Test-Asterisk) to my privat ISDN and allow
him to only answer one dialed number?
We have 3 up to 10 Numbers on each (Euro-)ISDN (2 b-chanels), it cant't be
done by the last Digits cause the numbers are completely different.
For Example:
I have 3 Numbers (641717, 928752....)
Is it possible to tell Asterisk (in Extensions.conf?) to Answer 641717 an ignore
incomming calls on 928752?
I need this solution to work with Asterisk without disconnecting my Girlfriend
from the rest of the world.
;-)

I realy tried to find an answer in your archive, Asterisk-Manual,
"hitchhiker guide to Asterisk" and in Google but I'm affraid that
I didn't know the right "searchstring".

Marco W.

  
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Hi Marco
Asterisk will do exactly what you want, as long as your line is point to 
multipoint.  I did my initial experimentation with Asterisk exactly as 
you describe.  You just need to specifiy in your extensions.conf which 
MSN numbers you want asterisk to respond to.  It will ignore all others.

Best and cheapest option would be to try a zaphfc card for 20 euros or 
so.(Billion, Asustek, etc)  Make sure it is on its own IRQ or you will 
have real problems.  Use bri-stuff-0.0.2 from www.junghanns.net.

When you have played a bit, you can use a second card in NT mode to 
connect to your other ISDN equipment, and you can use * as the main 
switch.  Magic!

And by the  way, your English is much better than my German!

Good luck!

Rgds
Tim

wendys wrote:
> Hi,
>  
> please excuse my poor englisch.
> Is it possible to connect a (privat Test-Asterisk) to my privat ISDN 
> and allow him to only answer one dialed number?
> We have 3 up to 10 Numbers on each (Euro-)ISDN (2 b-chanels), it 
> cant't be done by the last Digits cause the numbers are completely 
> different.
> For Example:
> I have 3 Numbers (641717, 928752....)
> Is it possible to tell Asterisk (in Extensions.conf?) to Answer 641717 
> an ignore incomming calls on 928752?
> I need this solution to work with Asterisk without disconnecting my 
> Girlfriend from the rest of the world.
> ;-)
>  
> I realy tried to find an answer in your archive, 
> Asterisk-Manual, "hitchhiker guide to Asterisk" and in Google but
I'm
> affraid that I didn't know the right "searchstring".
>  
> Marco W.
>  
>

Hi Marco,

wendys wrote:
> Hi,
>  
> please excuse my poor englisch.
> Is it possible to connect a (privat Test-Asterisk) to my privat ISDN 
> and allow him to only answer one dialed number?
> We have 3 up to 10 Numbers on each (Euro-)ISDN (2 b-chanels), it 
> cant't be done by the last Digits cause the numbers are completely 
> different.
> For Example:
> I have 3 Numbers (641717, 928752....)
> Is it possible to tell Asterisk (in Extensions.conf?) to Answer 641717 
> an ignore incomming calls on 928752?
> I need this solution to work with Asterisk without disconnecting my 
> Girlfriend from the rest of the world.
> ;-)
>  
I did this with an AVM Fritz Card and capi_chan  from 
http://www.junghanns.net/asterisk/
You can define incoming and outgoing MSNs in capi.conf so you won't get 
in conflict with you other MSNs
There is some documentation on it in at voip-info.org (seems to be 
currently down)

jo

Hi!
> I have 3 Numbers (641717, 928752....)
> Is it possible to tellAsterisk (in Extensions.conf?) toAnswer 641717 an 
> ignore incomming calls on 928752?
Sure. However you might want to tell us what ISDN hardware and, more 
importantly, which Asterisk channel you are using: isdn4linux or 
chan_capi? Anyway, if you look into the respective configuration files 
for i4l and chan_capi you will find a setting "incomingmsn=" that will
fit your needs.

Apart from that you *could* also instruct the ISDN card to listen on all 
MSNs (incomingmsn=*), but in extensions.conf you then only do an Answer() 
for the extension that you want to answer. Of course that needs a 
carefully drafted dialplan where you don't have e.g. an 's'
extension in
your incoming ISDN context that would still answer the call...

Cheers, Philipp